Everything seems to point to Herne Bay being the first resort but I can't confirm the length of the pier anywhere. I also can't find a time when the Herne Bay Pier was the third longest although it...
Assume 16 down is Eton something and perhaps to do with horse racing. Have ?I?E? for second word but am stumped as a mere woman who's not into sport.............
Sweet and sour served in a little cup (6)
The rider subsequently comes in with the horses (7)
Under the control of the lady in front (7)
Any suggestions appreciated